If the spiral of the shell is changed at the eight-cell stage then the orientation of the snail's heart, stomach, liver coiling and gut looping are similarly flipped.
如果蜗牛壳的螺线方向在8个细胞的阶段被改变了，那么蜗牛的心脏，胃，肝卷绕和肠循环方向都会相应的发生反转。
Objective: To evaluate spiral ct scanning in the diagnosis and differentiation of non-functioning islet cell tumor (NFICT).
目的：探讨螺旋CT在非功能性胰岛细胞瘤诊断和鉴别诊断中的价值。
Objective: To evaluate multiple spiral ct (MSCT) in the diagnosis of early renal cell carcinoma (RCC).
目的：评价多层螺旋CT (MSCT)多期扫描在早期肾细胞癌(RCC)诊断中的价值。
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